A grocer wants to mix a type of spice which costs £22 per kilogram with another type
1 answer:
You might be interested in
Answer:
The vertical line test is a visual test used to determine whether or not a graph is a function. To perform this test, simply draw a straight vertical line multiple times on different parts of the graph.
If a vertical line intersects with the graph at one point, then it's a function.
If a vertical line intersects with the graph at multiple points, then it's not a function.
Examples:
